Metallic Nanotube Array Enabling Far Infrared Thermal Emitter Performance Enhancement

Hansen Kurniawan Njoto; Alfreda Krisna Altama; Wei-Xing Lu; Ting-Hao Chang; Kuan-Chou Lin; San-Liang Lee; Jinn P. Chu; Chih-Ting Lin

doi:10.1109/JPHOT.2024.3488120

IEEE Photonics Journal (Jan 2024)

Metallic Nanotube Array Enabling Far Infrared Thermal Emitter Performance Enhancement

Hansen Kurniawan Njoto,
Alfreda Krisna Altama,
Wei-Xing Lu,
Ting-Hao Chang,
Kuan-Chou Lin,
San-Liang Lee,
Jinn P. Chu,
Chih-Ting Lin

Affiliations

Hansen Kurniawan Njoto: ORCiD; Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Alfreda Krisna Altama: ORCiD; Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Wei-Xing Lu: Graduate Institute of Electro-Optical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Ting-Hao Chang: Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Kuan-Chou Lin: ORCiD; Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan
San-Liang Lee: ORCiD; Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Jinn P. Chu: Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
Chih-Ting Lin: ORCiD; Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan

DOI: https://doi.org/10.1109/JPHOT.2024.3488120
Journal volume & issue: Vol. 16, no. 6
pp. 1 – 6

Abstract

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We fabricate and demonstrate a thermal-radiation far-infared light source with enhanced thermal radiation efficiency, particularly within the crucial 8--14 μm wavelength range, which is vital for various applications. The device utilizes a metallic nanotube array (MeNTA) meticulously fabricated on a silicon wafer using stainless-steel material through sputter deposition. The simulation with Finite-Difference Time-Domain (FDTD) approach reveals significant alterations to the blackbodyradiated far-infrared spectrum. Experimental validation via Fourier Transform Infrared (FTIR) measurements confirms a pronounced wavelength filtering effect, primarily centered at 10.2 μm. The device incorporating stainless steel MeNTA exhibits 1.4 times improvement in luminous efficiency, reaching 7.45 × 10−3, accompanied by a radiated power of 11.034 mW and 0.681 mW/mm2 radiated power per area. These outcomes suggest the potential for expanding the fabrication process with alternative geometries and periods to tailor specific infrared emissions, which enables suitable thermal emitters for biomedical applications.

Published in IEEE Photonics Journal

ISSN: 1943-0655 (Online)
Publisher: IEEE
Country of publisher: United States
LCC subjects: Technology: Engineering (General). Civil engineering (General): Applied optics. Photonics; Science: Physics: Optics. Light
Website: http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=4563994

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